}

    /**
     * Unblock an IP address.
     * @param ip the IP address to unblock
     */
    public void unblockIp(final String ip) {
        blockedIps.invalidate(ip);
        logger.info("IP unblocked: ip={}", ip);
    }

    /**
     * Get the number of currently blocked IPs.
     * Note: This may include expired entries not yet evicted.
     * @return the count of blocked IPs
     */

				ip = v.IP
			case *net.IPAddr:
				ip = v.IP
			}

			ipList = append(ipList, ip)
		}
	}

	return ipList
}

func mustGetLocalLoopbacks() (ipList set.StringSet) {
	ipList = set.NewStringSet()
	for _, ip := range mustGetLocalIPs() {
		if ip != nil && ip.IsLoopback() {
			ipList.Add(ip.String())
		}
	}
	return ipList
}

// mustGetLocalIP4 returns IPv4 addresses of localhost.  It panics on error.

        /**
         * Creates a new witness IP address.
         *
         * @param address the IP address
         */
        public WitnessIPAddress(InetAddress address) {
            this.address = address;
            this.flags = address.getAddress().length == 4 ? IPV4 : IPV6;
        }

        /**
         * Gets the IP address.
         *
         * @return the IP address
         */

     *
     * 1) IP Address - If a dot-quad IP string is used with getByName (or used
     * to create an NbtAddress internal to this netbios package), no query is
     * sent on the wire and the only state this object has is it's IP address
     * (but that's enough to connect to a host using *SMBSERVER for CallingName).
     *
     * 2) IP Address, NetBIOS name, nodeType, groupName - If however a

   * such as "::c000:201".
   *
   * @param ip {@link InetAddress} to be converted to an address string
   * @return {@code String} containing the text-formatted IP address
   * @since 10.0
   */
  public static String toAddrString(InetAddress ip) {
    checkNotNull(ip);
    if (ip instanceof Inet4Address) {
      // For IPv4, Java's formatting is good enough.

        String username = "testuser";
        String ip = "192.168.1.2";

        // First attempts should be allowed
        assertTrue(rateLimiter.checkAttempt(username, ip));
        rateLimiter.recordFailure(username, ip);

        assertTrue(rateLimiter.checkAttempt(username, ip));
        rateLimiter.recordFailure(username, ip);

        assertTrue(rateLimiter.checkAttempt(username, ip));
        rateLimiter.recordFailure(username, ip);

    }

    /**
     * Manually unblock an IP
     *
     * @param sourceIp the IP to unblock
     * @return true if IP was unblocked, false if not found
     */
    public boolean unblockIp(String sourceIp) {
        IpAttempts ip = ipAttempts.get(sourceIp);
        if (ip != null) {
            ip.reset();
            log.info("Manually unblocked IP: {}", sourceIp);
            return true;
        }

	t := time.Now().UTC()
	for ip := range c.domainIPs {
		bucketMsg, err := newCoreDNSMsg(ip, c.domainPort, defaultTTL, t)
		if err != nil {
			return err
		}
		for _, domainName := range c.domainNames {
			key := msgPath(fmt.Sprintf("%s.%s", bucket, domainName), c.prefixPath)
			key = key + etcdPathSeparator + ip
			ctx, cancel := context.WithTimeout(context.Background(), defaultContextTimeout)

		// with the approach we took for returning first ip from multiple
		// params.
		if match := forRegex.FindStringSubmatch(proto); len(match) > 1 {
			if match = protoRegex.FindStringSubmatch(match[2]); len(match) > 1 {
				scheme = strings.ToLower(match[2])
			}
		}
	}

	return scheme
}

// GetSourceIPFromHeaders retrieves the IP from the X-Forwarded-For, X-Real-IP
// and RFC7239 Forwarded headers (in that order)

      InetAddress ip = InetAddresses.forString(validIsatapAddress);
      assertTrue(InetAddresses.isIsatapAddress((Inet6Address) ip));
      assertWithMessage("checking '%s'", validIsatapAddress)
          .that(InetAddresses.getIsatapIPv4Address((Inet6Address) ip))
          .isEqualTo(ipv4);
    }
    for (String nonIsatapAddress : nonIsatapAddresses) {
      InetAddress ip = InetAddresses.forString(nonIsatapAddress);